摘要
初始有限元模型的准确程度对模型修正的准确度以及最后的成败都极为关键。为了得到与实际结构相近的准确初始有限元模型,提出了完全参数化建模的概念,针对GARTEUR飞机模型创建模型修正算例,验证了完全参数化建模对模型修正的有效性。利用试验数据修正尽可能完全参数化的GARTEUR有限元模型来说明完全参数化建模的实际工程意义。结果表明,采用完全参数化建模可以得到准确的初始有限元模型。
The accuracy of the model updating and the final success or failure depend on the accuracy of the initial finite element model.To obtain an accurate initial finite element model similar to the actual structure,the concept of fully parametric modeling is proposed in this paper,then,a model updating example is created for GARTEUR aircraft model,and the validity of the fully parameterized model for the model updating is verified,the GARTEUR finite element model which is fully parameterized as far as possible is updated with experimental data,which is used to illustrate the practical engineering significance of fully parametric modeling.The results show that the accurate initial finite element model can be obtained by using the fully parameterized model.
作者
王森
史治宇
WANG Sen;SHI Zhiyu(State Key Laboratory of Mechanics and Control of Mechanical Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)
出处
《机械制造与自动化》
2020年第6期110-112,141,共4页
Machine Building & Automation
基金
机械结构力学及控制国家重点实验室(南京航空航天大学)自主研究课题资助项目(0515G01)。
